1 /* 2 * Copyright (C) 2004 Zack Rusin <zack (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301 USA 19 */ 20 21 #ifndef CSSComputedStyleDeclaration_h 22 #define CSSComputedStyleDeclaration_h 23 24 #include "core/css/CSSStyleDeclaration.h" 25 #include "core/css/StyleColor.h" 26 #include "core/rendering/style/RenderStyleConstants.h" 27 #include "wtf/HashMap.h" 28 #include "wtf/RefPtr.h" 29 #include "wtf/text/AtomicString.h" 30 #include "wtf/text/AtomicStringHash.h" 31 #include "wtf/text/WTFString.h" 32 33 namespace WebCore { 34 35 class CSSPrimitiveValue; 36 class CSSValueList; 37 class Color; 38 class CustomFilterNumberParameter; 39 class CustomFilterParameter; 40 class ExceptionState; 41 class MutableStylePropertySet; 42 class Node; 43 class RenderObject; 44 class RenderStyle; 45 class SVGPaint; 46 class ShadowData; 47 class StylePropertySet; 48 class StylePropertyShorthand; 49 50 enum EUpdateLayout { DoNotUpdateLayout = false, UpdateLayout = true }; 51 52 class CSSComputedStyleDeclaration : public CSSStyleDeclaration { 53 public: 54 static PassRefPtr<CSSComputedStyleDeclaration> create(PassRefPtr<Node> node, bool allowVisitedStyle = false, const String& pseudoElementName = String()) 55 { 56 return adoptRef(new CSSComputedStyleDeclaration(node, allowVisitedStyle, pseudoElementName)); 57 } 58 virtual ~CSSComputedStyleDeclaration(); 59 60 virtual void ref() OVERRIDE; 61 virtual void deref() OVERRIDE; 62 63 PassRefPtr<CSSValue> getPropertyCSSValue(CSSPropertyID) const; 64 String getPropertyValue(CSSPropertyID) const; 65 bool getPropertyPriority(CSSPropertyID) const; 66 67 virtual PassRefPtr<MutableStylePropertySet> copyProperties() const OVERRIDE; 68 69 PassRefPtr<CSSValue> getPropertyCSSValue(CSSPropertyID, EUpdateLayout) const; 70 PassRefPtr<CSSValue> getFontSizeCSSValuePreferringKeyword() const; 71 bool useFixedFontDefaultSize() const; 72 PassRefPtr<CSSValue> getSVGPropertyCSSValue(CSSPropertyID, EUpdateLayout) const; 73 74 PassRefPtr<MutableStylePropertySet> copyPropertiesInSet(const Vector<CSSPropertyID>&) const; 75 76 private: 77 CSSComputedStyleDeclaration(PassRefPtr<Node>, bool allowVisitedStyle, const String&); 78 79 // The styled node is either the node passed into getComputedStyle, or the 80 // PseudoElement for :before and :after if they exist. 81 // FIXME: This should be styledElement since in JS getComputedStyle only works 82 // on Elements, but right now editing creates these for text nodes. We should fix 83 // that. 84 Node* styledNode() const; 85 86 // CSSOM functions. Don't make these public. 87 virtual CSSRule* parentRule() const; 88 virtual unsigned length() const; 89 virtual String item(unsigned index) const; 90 PassRefPtr<RenderStyle> computeRenderStyle(CSSPropertyID) const; 91 virtual PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName); 92 virtual String getPropertyValue(const String& propertyName); 93 virtual String getPropertyPriority(const String& propertyName); 94 virtual String getPropertyShorthand(const String& propertyName); 95 virtual bool isPropertyImplicit(const String& propertyName); 96 virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionState&); 97 virtual String removeProperty(const String& propertyName, ExceptionState&); 98 virtual String cssText() const; 99 virtual void setCssText(const String&, ExceptionState&); 100 virtual PassRefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID); 101 virtual String getPropertyValueInternal(CSSPropertyID); 102 virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionState&); 103 104 const HashMap<AtomicString, String>* variableMap() const; 105 virtual unsigned variableCount() const OVERRIDE; 106 virtual String variableValue(const AtomicString& name) const OVERRIDE; 107 virtual void setVariableValue(const AtomicString& name, const String& value, ExceptionState&) OVERRIDE; 108 virtual bool removeVariable(const AtomicString& name) OVERRIDE; 109 virtual void clearVariables(ExceptionState&) OVERRIDE; 110 111 virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const OVERRIDE; 112 113 PassRefPtr<CSSValue> valueForShadow(const RenderObject*, const ShadowData*, CSSPropertyID, const RenderStyle*) const; 114 PassRefPtr<CSSPrimitiveValue> currentColorOrValidColor(RenderStyle*, const StyleColor&) const; 115 PassRefPtr<CSSPrimitiveValue> currentColorOrValidColor(const RenderObject*, const RenderStyle*, int colorProperty) const; 116 PassRefPtr<SVGPaint> adjustSVGPaintForCurrentColor(PassRefPtr<SVGPaint>, RenderStyle*) const; 117 118 PassRefPtr<CSSValue> valueForFilter(const RenderObject*, const RenderStyle*) const; 119 120 PassRefPtr<CSSValueList> getCSSPropertyValuesForShorthandProperties(const StylePropertyShorthand&) const; 121 PassRefPtr<CSSValueList> getCSSPropertyValuesForSidesShorthand(const StylePropertyShorthand&) const; 122 PassRefPtr<CSSValueList> getBackgroundShorthandValue() const; 123 PassRefPtr<CSSValueList> getCSSPropertyValuesForGridShorthand(const StylePropertyShorthand&) const; 124 125 RefPtr<Node> m_node; 126 PseudoId m_pseudoElementSpecifier; 127 bool m_allowVisitedStyle; 128 unsigned m_refCount; 129 }; 130 131 } // namespace WebCore 132 133 #endif // CSSComputedStyleDeclaration_h 134
